<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <h1>你好啊</h1>
  <img src="./monica.png" alt="">
  <form action="./" method="post">
    <input type="text" name="username"> <br>
    <input type="text" name="age" >
    <input type="submit" value="post提交">
  </form>
</body>
</html>